Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/7 and 9/8

1st number: 4 0/7, 2nd number: 1 1/8

28/7 + 9/8 is 41/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 8 is 56
  2. For the 1st fraction, since 7 × 8 = 56,
    28/7 = 28 × 8/7 × 8 = 224/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    9/8 = 9 × 7/8 × 7 = 63/56
  4. Add the two fractions:
    224/56 + 63/56 = 224 + 63/56 = 287/56
  5. 287/56 simplified gives 41/8
  6. So, 28/7 + 9/8 = 41/8
    In mixed form: 51/8

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com